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Finding the Fourth Proportional to 266,443.96, 367,681.26 and 145,583.32

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Solution

The fourth proportional to 266,443.96, 367,681.26 and 145,583.32 is: 200,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,443.96 : 367,681.26 = 145,583.32 : x
  2. Step 2: Convert to fraction form
    266,443.96/367,681.26 = 145,583.32/x
  3. Step 3: Cross multiply
    266,443.96x = 367,681.26 × 145,583.32
  4. Step 4: Simplify right side
    266,443.96x = 53,528,258,532.58
  5. Step 5: Solve for x
    x = 53,528,258,532.58/266,443.96
  6. Step 6: Final answer
    x = 200,898.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.